package com.nine.mymall.search.service.impl;

import com.alibaba.fastjson.JSON;
import com.nine.common.to.es.SkuEsModel;
import com.nine.mymall.search.config.MyMallElasticSearchConfig;
import com.nine.mymall.search.constant.EsConstant;
import com.nine.mymall.search.service.ProductSaveService;
import lombok.extern.slf4j.Slf4j;
import org.elasticsearch.action.bulk.BulkRequest;
import org.elasticsearch.action.bulk.BulkResponse;
import org.elasticsearch.action.index.IndexRequest;
import org.elasticsearch.client.RestHighLevelClient;
import org.elasticsearch.common.xcontent.XContentType;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;

/**
 * @author: duonine
 * @date: 2021/10/29
 */
@Slf4j
@Service
public class ProductSaveServiceImpl implements ProductSaveService {

    @Autowired
    RestHighLevelClient restHighLevelClient;

    @Override
    public boolean productStatusUp(List<SkuEsModel> skuEsModels) throws IOException {

        // 将数据保存到es中
        // 1、给es建立索引，product，建立号映射关系

        // 2、给es保存数据（批量保存） BulkRequest bulkRequest, RequestOptions options
        BulkRequest bulkRequest = new BulkRequest();
        for (SkuEsModel model : skuEsModels) {
            // 构造保存请求
            IndexRequest indexRequest = new IndexRequest(EsConstant.PRODUCT_INDEX);
            indexRequest.id(model.getSkuId().toString());
            String modelStr = JSON.toJSONString(model);
            indexRequest.source(modelStr, XContentType.JSON);
            bulkRequest.add(indexRequest);
        }
        BulkResponse bulk = restHighLevelClient.bulk(bulkRequest, MyMallElasticSearchConfig.COMMON_OPTIONS);

        // TODO 是否有错误，有错误需要处理
        boolean hasFailures = bulk.hasFailures();

        List<String> items = Arrays.asList(bulk.getItems()).stream().map(item -> {
            return item.getId();
        }).collect(Collectors.toList());
        if(hasFailures){
            log.error("商品上架失败：{}", items);
        }else{
            log.info("商品上架完成：{}", items);
        }
        return hasFailures;

    }


}
